Schield, D.R.; Brown, C.E.; Shakya, S.B.; Calabrese, G.M.; Safran, R.J.; Sheldon, F.H. (2024). "Phylogeny and historical biogeography of the swallow family (Hirundinidae) inferred from comparisons of thousands of UCE loci". Molecular Phylogenetics and Evolution: 108111. doi:10.1016/j.ympev.2024.108111.
Dowsett, R J; Douglas, M G; Stead, D E; Taylor, V A; Alder, J R; Carter, A T (July 1983). "Breeding and other observations on the Taita Falcon Falco fasciinucha". Ibis. 125 (3): 362–366. doi:10.1111/j.1474-919X.1979.tb05020.x.
Hoogstraal, Harry; Kaiser, Makram N; Walker, Jane B; Ledger, John A; Converse, James D; Rice, Robin G A (June 1975). "Observations on the subgenus Argas (Ixodoidea: Argasidae: Argas) 10. A. (A.) africolumbae, n. sp., a Pretoria virus-infected parasite of birds in southern and eastern Africa". Journal of Medical Entomology. 12 (2): 194–210. doi:10.1093/jmedent/12.2.194. PMID1159742.
Hoogstraal, Harry; Kaiser, Makram N; Walker, Jane B; Ledger, John A; Converse, James D; Rice, Robin G A (June 1975). "Observations on the subgenus Argas (Ixodoidea: Argasidae: Argas) 10. A. (A.) africolumbae, n. sp., a Pretoria virus-infected parasite of birds in southern and eastern Africa". Journal of Medical Entomology. 12 (2): 194–210. doi:10.1093/jmedent/12.2.194. PMID1159742.